Home / 12,624.30-18,961.05-10,286.03

Finding the Fourth Proportional to 12,624.30, 18,961.05 and 10,286.03

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Solution

The fourth proportional to 12,624.30, 18,961.05 and 10,286.03 is: 15,449.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,624.30 : 18,961.05 = 10,286.03 : x
  2. Step 2: Convert to fraction form
    12,624.30/18,961.05 = 10,286.03/x
  3. Step 3: Cross multiply
    12,624.30x = 18,961.05 × 10,286.03
  4. Step 4: Simplify right side
    12,624.30x = 195,033,929.13
  5. Step 5: Solve for x
    x = 195,033,929.13/12,624.30
  6. Step 6: Final answer
    x = 15,449.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.